The papers of Yiddish poet Aliza Greenblatt include copies of published and unpublished songs, poems and articles in both typed and handwritten manuscript form, newsletters, newspaper clippings, programs, scrapbook pages, and sheet music. There are also drafts and correspondence regarding her autobiography, including original letters sent to her from her husband Isidore when he visited Palestine in 1920, which form a portion of her autobiography. The collection also contains correspondence and legal documents from Greenblatt’s family, documents relating to her Zionist and charitable activities, and correspondence from other Yiddish writers and poets.

Folder 1 contains the Questionnaire of the Austrian Heritage Collection at the Leo Baeck Institute and additional biographical documents. Vital documents include birth certificates, residency permits, military documents, and other related documents stemming from the war years in Cernauti / Czernowitz. There are also documents relating to his attempts to emigrate from Romania, an honorary diploma, correspondence relating to emigration and exhibitions, his parents' death certificates and other post-World War II Romanian and American identification documents.

This collection of mainly anti-Semitic material was compiled by a Jewish librarian of German descent who infiltrated the pro-Nazi community developing in New York City in the years leading up to World War II. The bulk of the collection consists of publications and printed matter, with the notable exception of narrative reports that describe first-hand experiences and observations of Nazi-affiliated events. Document types include advertisements, event announcements, books, clippings, correspondence, magazines and newspapers, travel guides, political memorabilia, and other print ephemera.

Hadassah Functions and Operations Records represent the bulk of aid and services provided to Hadassah's membership, from the 1920s to 2011. Materials found in the record group include correspondence, clippings, press releases, manuals and kits for chapters and members to implement programming and chapter structure, fundraising campaigns, scripts, study guides, programming for local and national meetings, biographical files, and training documentation. Departments documented in the record group include Public Affairs, Education, Women's Health, American Affairs, Zionist and International Affairs, Speakers Bureau, Fundraising, Program, Organization, Outreach and Tourism Departments. Materials related to the general administration of Hadassah are also in the record group; these materials include research and development of projects, archives department correspondence and other materials, Hadassah House administration, and strategic planning. The record group also documents Hadassah's efforts to expand membership outside of the United States, by the development of Hadassah International.

Papers of Hans Kohn (1891-1971), historian and lawyer, who was active in Zionist organizations. He published extensively on questions of nationalism and related topics. The collection consists of documents relating to Hans Kohn's professional experience, materials relating to his political activities, correspondence, diaries, materials relating to his experience in World War I and as a prisoner of war, personal documents, photos, clippings.

This collection contains documents of journalist and left-wing political activist Paul Novick, consisting mainly of correspondence, subject files, manuscripts, photographs, and newspaper clippings. These materials relate to Novick’s career as long-time editor of the Morning Freiheit (Morning Freedom), his important role in the worldwide Communist movement, the history of the Freiheit itself, and Jewish and general politics. These materials demonstrate Novick’s important, and changing, role in the history of Communism, as well as his career as a Yiddish journalist and author.

This collection contains the personal and professional papers of William Edlin, editor of The Day and a prominent Socialist. It includes correspondence with individuals and with organizations, newspaper clippings, manuscripts of works by Edlin and by others as well as translations done by Edlin, and some of Edlin’s personal documents. These materials relate to Edlin’s involvement with The Day, with the Socialist Party, the Workmen’s Circle, various labor and Zionist organizations, literary clubs and activities, and with music, art and drama.